function top_flash(main, sub)
{   
    var form = document.getElementById('top_url');
    if(main == 0) form.action = '/';
    else if(main == 1){
        if(sub == 1) form.action = '/service/info.aspx';
        else if(sub == 2) form.action = '/service/info.aspx';
        else if(sub == 3) form.action = '/service/service.aspx';
    }
    else if(main == 2){
        if(sub == 1) form.action = '/notice/notice.aspx';
        else if(sub == 2) form.action = '/notice/notice.aspx';
        else if(sub == 3) form.action = '/notice/news.aspx';
    }
    else if(main == 3){
        if(sub == 1) form.action = '/contents/main.aspx';
        else form.action = '/contents/sub.aspx?c=' + (parseInt(sub) - 1).toString(); 
    }  
    else if(main == 4){
        if(sub == 1) form.action = '/event/event.aspx';
        else if(sub == 2) form.action = '/event/event.aspx';
        else if(sub == 3) form.action = '/event/past.aspx'; 
        else if(sub == 4) form.action = '/event/result.aspx';
    }  
    else if(main == 5){
        if(sub == 1) form.action = '/customer/faq.aspx';
        else if(sub == 2) form.action = '/customer/faq.aspx';
        else if(sub == 3) form.action = '/customer/qna.aspx';
    }
    else if(main == 6){
        if(sub == 1) form.action = '/event/detail.aspx?t=event&p=1&o=289';
    }  
    form.submit();
}